[98] Proc. Zool. Soc. 1899, p. 1014.
[99] See for anatomy Owen, Trans. Zool. Soc. iv. 1862, p. 117, and Forbes, Proc. Zool. Soc. 1882, p. 287.
[100] For the skull of Edentates generally see Parker, Phil. Trans. clxxvi. 1885, pt. i. p. 121.
[101] The colour fades in captivity owing to the disappearance of the algae.
[102] In a letter addressed to Dr. Gray, quoted by the latter in a revision of the Sloths, Proc. Zool. Soc. 1871, p. 428.
[103] This name is written "Prionodos" by Gray, which might lead to a confusion with the Carnivore Prionodon.
[104] For the anatomy of several forms, see Garrod, Proc. Zool. Soc. 1878, p. 222, who quotes other memoirs.
[105] Flower, Proc. Zool. Soc. 1886, p. 419.
[106] Milne-Edwards, Nouv. Arch. Mus. vii. 1871, p. 177.
[107] See especially Lydekker, An. Mus. La Plata, Pal. Arg. iii. 1894.